{% macro show_provider_button(provider_id, display_name, conn) %}
    {% if conn %}
    <form action="{{ url_for('social.remove_connection', provider_id=conn.provider_id, provider_user_id=conn.provider_user_id) }}" method="DELETE">
      <input type="submit" value="Disconnect {{ display_name }}" />
    </form>
    {% else %}
    <form action="{{ url_for('social.connect', provider_id=provider_id) }}" method="POST">
      <input type="submit" value="Connect {{ display_name }}" />
    </form>
    {% endif %}
{% endmacro %}

{{ show_provider_button('facebook', 'Facebook', facebook_conn) }}